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import json
from collections.abc import Iterator
from typing import Any
from uuid import uuid3

import pytest
from sqlalchemy.orm import Session

from superset import db
from superset.explore.permalink.schemas import ExplorePermalinkSchema
from superset.key_value.models import KeyValueEntry
from superset.key_value.types import KeyValueResource, MarshmallowKeyValueCodec
from superset.key_value.utils import decode_permalink_id, encode_permalink_key
from superset.models.slice import Slice
from superset.utils.core import DatasourceType
from tests.integration_tests.fixtures.world_bank_dashboard import (
    load_world_bank_dashboard_with_slices,
    load_world_bank_data,
)
from tests.integration_tests.test_app import app


@pytest.fixture
def chart(app_context, load_world_bank_dashboard_with_slices) -> Slice:
    session: Session = app_context.app.appbuilder.get_session
    chart = session.query(Slice).filter_by(slice_name="World's Population").one()
    return chart


@pytest.fixture
def form_data(chart) -> dict[str, Any]:
    datasource = f"{chart.datasource.id}__{chart.datasource.type}"
    return {
        "chart_id": chart.id,
        "datasource": datasource,
    }


@pytest.fixture
def permalink_salt() -> Iterator[str]:
    from superset.key_value.shared_entries import get_permalink_salt, get_uuid_namespace
    from superset.key_value.types import SharedKey

    key = SharedKey.EXPLORE_PERMALINK_SALT
    salt = get_permalink_salt(key)
    yield salt
    namespace = get_uuid_namespace(salt)
    db.session.query(KeyValueEntry).filter_by(
        resource=KeyValueResource.APP,
        uuid=uuid3(namespace, key),
    )
    db.session.commit()


def test_post(
    form_data: dict[str, Any], permalink_salt: str, test_client, login_as_admin
):
    resp = test_client.post(f"api/v1/explore/permalink", json={"formData": form_data})
    assert resp.status_code == 201
    data = json.loads(resp.data.decode("utf-8"))
    key = data["key"]
    url = data["url"]
    assert key in url
    id_ = decode_permalink_id(key, permalink_salt)
    db.session.query(KeyValueEntry).filter_by(id=id_).delete()
    db.session.commit()


def test_post_access_denied(form_data, test_client, login_as):
    login_as("gamma")
    resp = test_client.post(f"api/v1/explore/permalink", json={"formData": form_data})
    assert resp.status_code == 403


def test_get_missing_chart(
    chart, permalink_salt: str, test_client, login_as_admin
) -> None:
    from superset.key_value.models import KeyValueEntry

    chart_id = 1234
    entry = KeyValueEntry(
        resource=KeyValueResource.EXPLORE_PERMALINK,
        value=MarshmallowKeyValueCodec(ExplorePermalinkSchema()).encode(
            {
                "chartId": chart_id,
                "datasourceId": chart.datasource.id,
                "datasourceType": DatasourceType.TABLE.value,
                "state": {
                    "urlParams": [["foo", "bar"]],
                    "formData": {
                        "slice_id": chart_id,
                        "datasource": f"{chart.datasource.id}__{chart.datasource.type}",
                    },
                },
            }
        ),
    )
    db.session.add(entry)
    db.session.commit()
    key = encode_permalink_key(entry.id, permalink_salt)
    resp = test_client.get(f"api/v1/explore/permalink/{key}")
    assert resp.status_code == 404
    db.session.delete(entry)
    db.session.commit()


def test_post_invalid_schema(test_client, login_as_admin) -> None:
    resp = test_client.post(f"api/v1/explore/permalink", json={"abc": 123})
    assert resp.status_code == 400


def test_get(
    form_data: dict[str, Any], permalink_salt: str, test_client, login_as_admin
) -> None:
    resp = test_client.post(f"api/v1/explore/permalink", json={"formData": form_data})
    data = json.loads(resp.data.decode("utf-8"))
    key = data["key"]
    resp = test_client.get(f"api/v1/explore/permalink/{key}")
    assert resp.status_code == 200
    result = json.loads(resp.data.decode("utf-8"))
    assert result["state"]["formData"] == form_data
    id_ = decode_permalink_id(key, permalink_salt)
    db.session.query(KeyValueEntry).filter_by(id=id_).delete()
    db.session.commit()
